JP6633497B2 - プロスタグランジンの精製方法 - Google Patents
プロスタグランジンの精製方法 Download PDFInfo
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- JP6633497B2 JP6633497B2 JP2016223583A JP2016223583A JP6633497B2 JP 6633497 B2 JP6633497 B2 JP 6633497B2 JP 2016223583 A JP2016223583 A JP 2016223583A JP 2016223583 A JP2016223583 A JP 2016223583A JP 6633497 B2 JP6633497 B2 JP 6633497B2
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- carbon dioxide
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- 238000000034 method Methods 0.000 title claims description 28
- 150000003180 prostaglandins Chemical class 0.000 title description 32
- 238000000746 purification Methods 0.000 title description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 44
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 42
- GGXICVAJURFBLW-CEYXHVGTSA-N latanoprost Chemical compound CC(C)OC(=O)CCC\C=C/C[C@H]1[C@@H](O)C[C@@H](O)[C@@H]1CC[C@@H](O)CCC1=CC=CC=C1 GGXICVAJURFBLW-CEYXHVGTSA-N 0.000 claims description 26
- 229960001160 latanoprost Drugs 0.000 claims description 25
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 21
- 239000001569 carbon dioxide Substances 0.000 claims description 21
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 15
- 238000004808 supercritical fluid chromatography Methods 0.000 claims description 15
- 239000006184 cosolvent Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 239000003398 denaturant Substances 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 230000008014 freezing Effects 0.000 claims description 2
- 238000007710 freezing Methods 0.000 claims description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 16
- 125000004432 carbon atom Chemical group C* 0.000 description 15
- 125000000217 alkyl group Chemical group 0.000 description 12
- 229940094443 oxytocics prostaglandins Drugs 0.000 description 12
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 8
- 125000001424 substituent group Chemical group 0.000 description 7
- 125000001475 halogen functional group Chemical group 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 125000003118 aryl group Chemical group 0.000 description 5
- -1 ethylene, propylene, n-butynyl Chemical group 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 125000000304 alkynyl group Chemical group 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000003607 modifier Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- KFUDFIMHDRJVLV-OZCLATTGSA-N (z)-7-[(1r,2s,3s,5r)-2-[(2r)-3-(3-chlorophenoxy)-2-hydroxypropyl]sulfanyl-3,5-dihydroxycyclopentyl]hept-5-enoic acid Chemical class C([C@@H](O)CS[C@H]1[C@@H]([C@H](O)C[C@@H]1O)C\C=C/CCCC(O)=O)OC1=CC=CC(Cl)=C1 KFUDFIMHDRJVLV-OZCLATTGSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 229910052794 bromium Inorganic materials 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 239000003480 eluent Substances 0.000 description 2
- 239000012527 feed solution Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- SBTVLCPCSXMWIQ-UHFFFAOYSA-N (3,5-dimethylphenyl) carbamate Chemical compound CC1=CC(C)=CC(OC(N)=O)=C1 SBTVLCPCSXMWIQ-UHFFFAOYSA-N 0.000 description 1
- KZCXMZLEEWLBFE-UHFFFAOYSA-N (3-chloro-4-methylphenyl) carbamate Chemical compound CC1=CC=C(OC(N)=O)C=C1Cl KZCXMZLEEWLBFE-UHFFFAOYSA-N 0.000 description 1
- CCENBZDJMALWCH-UHFFFAOYSA-N (4-chlorophenyl) carbamate Chemical compound NC(=O)OC1=CC=C(Cl)C=C1 CCENBZDJMALWCH-UHFFFAOYSA-N 0.000 description 1
- CAOOVUTXOZVQON-UHFFFAOYSA-N (4-methylphenyl) carbamate Chemical compound CC1=CC=C(OC(N)=O)C=C1 CAOOVUTXOZVQON-UHFFFAOYSA-N 0.000 description 1
- 125000006649 (C2-C20) alkynyl group Chemical group 0.000 description 1
- NRGGMCIBEHEAIL-UHFFFAOYSA-N 2-ethylpyridine Chemical compound CCC1=CC=CC=N1 NRGGMCIBEHEAIL-UHFFFAOYSA-N 0.000 description 1
- VJXRKZJMGVSXPX-UHFFFAOYSA-N 4-ethylpyridine Chemical compound CCC1=CC=NC=C1 VJXRKZJMGVSXPX-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 239000004382 Amylase Substances 0.000 description 1
- 102000013142 Amylases Human genes 0.000 description 1
- 108010065511 Amylases Proteins 0.000 description 1
- 229920000856 Amylose Polymers 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- HDEDKYAIXDAMKA-UHFFFAOYSA-N CC1=CC=C(Cl)C=C1OC(N)=O Chemical compound CC1=CC=C(Cl)C=C1OC(N)=O HDEDKYAIXDAMKA-UHFFFAOYSA-N 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical group NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- HLRAZPBRONOBEX-ZETCQYMHSA-N [(1s)-1-phenylethyl] carbamate Chemical compound NC(=O)O[C@@H](C)C1=CC=CC=C1 HLRAZPBRONOBEX-ZETCQYMHSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 235000019418 amylase Nutrition 0.000 description 1
- 125000002029 aromatic hydrocarbon group Chemical group 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000000480 butynyl group Chemical group [*]C#CC([H])([H])C([H])([H])[H] 0.000 description 1
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 1
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 1
- 238000011210 chromatographic step Methods 0.000 description 1
- 229940114081 cinnamate Drugs 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 239000013583 drug formulation Substances 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000006260 ethylaminocarbonyl group Chemical group [H]N(C(*)=O)C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 150000002373 hemiacetals Chemical class 0.000 description 1
- 125000005980 hexynyl group Chemical group 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- WGFOBBZOWHGYQH-MXHNKVEKSA-N lubiprostone Chemical compound O1[C@](C(F)(F)CCCC)(O)CC[C@@H]2[C@@H](CCCCCCC(O)=O)C(=O)C[C@H]21 WGFOBBZOWHGYQH-MXHNKVEKSA-N 0.000 description 1
- 229960000345 lubiprostone Drugs 0.000 description 1
- 229950002158 luprostiol Drugs 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- LPNBBFKOUUSUDB-UHFFFAOYSA-M p-toluate Chemical compound CC1=CC=C(C([O-])=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-M 0.000 description 1
- BSCCSDNZEIHXOK-UHFFFAOYSA-N phenyl carbamate Chemical class NC(=O)OC1=CC=CC=C1 BSCCSDNZEIHXOK-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- WBYWAXJHAXSJNI-VOTSOKGWSA-M trans-cinnamate Chemical compound [O-]C(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-M 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C405/00—Compounds containing a five-membered ring having two side-chains in ortho position to each other, and having oxygen atoms directly attached to the ring in ortho position to one of the side-chains, one side-chain containing, not directly attached to the ring, a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, and the other side-chain having oxygen atoms attached in gamma-position to the ring, e.g. prostaglandins ; Analogues or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
- C07C323/50—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton
- C07C323/51—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton
- C07C323/56—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton containing six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/66—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
- C07C69/73—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of unsaturated acids
- C07C69/732—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of unsaturated acids of unsaturated hydroxy carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/93—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems condensed with a ring other than six-membered
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D307/93—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems condensed with a ring other than six-membered
- C07D307/935—Not further condensed cyclopenta [b] furans or hydrogenated cyclopenta [b] furans
- C07D307/937—Not further condensed cyclopenta [b] furans or hydrogenated cyclopenta [b] furans with hydrocarbon or substituted hydrocarbon radicals directly attached in position 2, e.g. prostacyclins
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/06—Systems containing only non-condensed rings with a five-membered ring
- C07C2601/08—Systems containing only non-condensed rings with a five-membered ring the ring being saturated
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2603/00—Systems containing at least three condensed rings
- C07C2603/02—Ortho- or ortho- and peri-condensed systems
- C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
- C07C2603/06—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
- C07C2603/10—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
- C07C2603/12—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
- C07C2603/14—Benz[f]indenes; Hydrogenated benz[f]indenes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
Description
Vは、CまたはOであり、
Wは、
Xは、CONR12R13またはCO2R12であり、 Yは、
Zは、C1−20−アルキル、C2−20−アルキニル、−O−(C6−20−アリール)または−(C1−20−アルキル)−(C6−20−アリール)であり、ここで、アリール基は、C1−20−アルキル、ハロおよびC(ハロ)3からなる群より選択された3個の置換基のうちの1個で選択的に置換され、
R1およびR2は、独立してHまたはOHであるか、あるいは共に
R3およびR4は、独立してHまたはOHであり、
R5およびR6は、独立してHまたはOHであるか、あるいは共に
R7およびR8は、独立してH、OH、ハロまたはC1−20−アルキルであり、 R9およびR10は、独立してHまたはC1−20−アルキルであり、ここで、アルキル基は、CONR12R13、CO2R12またはCO2 −M+より選択された1個またはそれ以上の置換基で選択的に置換され、
R11は、C1−20−アルキルまたは−O−(C1−20−アルキル)であり、ここで、アルキル基は、CONR12R13、CO2R12またはCO2 −M+より選択された1個またはそれ以上の置換基で選択的に置換され、
R12およびR13は、HおよびC1−20アルキルからなる群より独立して選択され、
M+は、対カチオンであり、
ハロは、フッ素、塩素、臭素またはヨウ素である。V=Cのとき、炭素原子は、2個の水素原子を含み、これらのうちの1個または2個は、例えば、ハロおよびC1−20−アルキルより独立して選択可能な置換基からなる基で置換されていてもよい。
アルキニル基の例としては、エチレン、プロピレン、n−ブチニル、イソブチニルおよびヘキシニルがある。炭素原子の数が特定されたアルキニル基が指定されれば、アルキニル基のすべての幾何学的異性体が含まれていてよい。例えば、「ブチニル」は、n−ブチニルおよびイソブチニルを含む。
R3およびR4のうちの1個はOH、他の1個はHのとき、互変異性体、すなわち、ヘミアセタールが生成できる。このような互変異性体は、本発明の範囲に含まれるものである。互変異性平衡は、プロスタグランジンルビプロストンによって例示される。
OD−H、ChiralPaK AS−H、ChiralPak IC、ChiralPak AD−H、Chiralcel OJ−HおよびChiralcel OK(Chiral Technologies Inc.とDaicel Chemical Industries,Ltd.から入手可能な製品)からなる群より選択される。さらに好ましくは、キラル固定相は、ChiralPak AD−Hである。例えば、アミラーゼまたはセルロースポリマーは、1個または2個以上のカルバマート基、特に、3,5−ジメチルフェニルカルバメート、(S)−アルファ−メチルベンジルカルバメート、4−クロロフェニルカルバメート、4−メチルフェニルカルバメート、フェニルカルバメート、3−クロロ−4−メチルフェニルカルバメート、5−クロロ−2−メチルフェニルカルバメートなどのようなアリールを含むカルバメートおよび/またはアセテート、ベンゾエート(例えば、4−メチルベンゾエート、シンナメートなどのような1個または2個以上のエステル基を有して誘導される。
SFC予備パラメータ:
・カラム:Chiral Technologies Chiralpak AD−H、4.6×250mm
・カラム温度:35℃
・システム背圧:150Bar
・溶離剤:アルコール変性剤のエタノールを有する二酸化炭素(CO2)
・総流量:3mL/min
・グラジエント共溶媒プロファイル:初期条件=5%エタノール:95%CO2、線形的に増加して、15分で、45%エタノール:55%CO2、2分間、45%エタノール:55%CO2保持、初期条件に戻り、次の注入前に、3分間平衡保持
・検出:210nmでのUV
・サンプルの用意:エタノール中において0.1g/mLの溶液を用意し、ラタノプロストを完全に溶解するためにフィード溶液を完全に混合する。
・サンプルの装填:5mg(エタノール中において0.1g/mL天然溶液の50μl)
・ラタノプロストの収集:検出されたラタノプロストピークフロント(peak front)(保持時間内において〜9分)から検出されたラタノプロストピークテール(peak tail)(保持時間内において〜10分)まで、ベースライン上約2%からラタノプロストピークを収集(ハートカット)
・天然ラタノプロストのSFC精製注入のクロマトグラムが図1に示されている
・得られた結果は、エタノールを共溶媒およびAD−H固定相として使用:
SFC予備パラメータ:
・カラム:Chiral Technologies Chiralpak AD−H、21×250mm
・カラム温度:25℃
・システム背圧:100Bar
・溶離剤:アルコール共溶媒変性剤(具体的には、エタノール:メタノール(4:1))を有する二酸化炭素(CO2)
・総流量:50g/min
・共溶媒プロファイル:初期条件=360秒間、15%共溶媒:85%CO2、361秒から720秒まで、40%共溶媒:60%CO2に変化、721秒から900秒まで初期条件に戻る
・検出:220nmでのUV
・天然溶液の用意:エタノール中において0.3g/mLの溶液を用意し、ラタノプロストを完全に溶解するためにフィード溶液を完全に混合する。
・サンプルの装填:エタノール中において〜0.6mL天然溶液
・ラタノプロストの収集:検出されたラタノプロストピークフロント(保持時間内において〜410秒)からピークエンド前の約30秒(保持時間内において〜510秒)まで、ピークスタートベースライン後の約30秒からラタノプロストピークを収集(ハートカット)
・天然ラタノプロストのSFC精製注入のクロマトグラムが図3に示されている
・得られた結果は、エタノールを共溶媒および収集された一部のAD−H固定相として使用:
Claims (14)
- 超臨界流体クロマトグラフィーにより、0.03%未満のC11−ベータ異性体、0.03%未満のC15R−トランス異性体、0.05%未満のC15S−トランス異性体、または0.03%未満のC15S−シス異性体を含む精製されたラタノプロスト組成物を調製するための方法であって、
アルコール変性剤としてのエタノールを有する二酸化炭素、又はアルコール共溶媒変性剤としてのエタノール及びメタノールの共溶媒を有する二酸化炭素を含む移動相を使用するCHIRALPAK(登録商標)AD−Hカラムを介して、0.03%超のC11−ベータ異性体、0.03%超のC15R−トランス異性体、0.05%超のC15S−トランス異性体、および0.03%超のC15S−シス異性体を含む天然ラタノプロスト組成物を処理して、精製されたラタノプロスト組成物を得ることを含む、方法。 - 前記変性剤が、二酸化炭素に対して少なくとも5%v/vの量で存在する、請求項1に記載の方法。
- 前記変性剤が、二酸化炭素に対して少なくとも5%w/wの量で存在する、請求項1に記載の方法。
- 前記精製されたラタノプロスト組成物が、異性体的に少なくとも99%純粋である、請求項1〜3のいずれか1項に記載の方法。
- 前記精製されたラタノプロスト組成物が、11ヶ月間冷凍温度にて貯蔵された後、0.03%未満のC11−ベータ異性体、0.03%未満のC15R−トランス異性体、0.05%未満のC15S−トランス異性体、および0.03%未満のC15S−シス異性体を含む、請求項1〜3のいずれか一項に記載の方法。
- 0.03%超のC11−ベータ異性体、0.03%超のC15R−トランス異性体、0.05%超のC15S−トランス異性体、および0.03%超のC15S−シス異性体を含む天然ラタノプロスト組成物を精製するための方法であって、
CHIRALPAK(登録商標)AD−Hカラムに天然ラタノプロスト組成物を注入し、
アルコール変性剤としてのエタノールを有する超臨界二酸化炭素、又はアルコール共溶媒変性剤としてのエタノール及びメタノールの共溶媒を有する超臨界二酸化炭素を用いて、前記カラムを通して天然ラタノプロスト組成物を溶離し、
0.03%未満のC11−ベータ異性体、0.03%未満のC15R−トランス異性体、0.05%未満のC15S−トランス異性体、または0.03%未満のC15S−シス異性体を含む精製されたラタノプロスト組成物を含む溶離画分を収集することを含む、
天然ラタノプロスト組成物を精製するための方法。 - 前記変性剤が、二酸化炭素に対して81%v/vまでの量で存在する、請求項2に記載の方法。
- 前記変性剤が、二酸化炭素に対して81%w/wまでの量で存在する、請求項3に記載の方法。
- 前記変性剤が、二酸化炭素に対して少なくとも17%v/vの量で存在する、請求項2に記載の方法。
- 前記変性剤が、二酸化炭素に対して少なくとも17%w/wの量で存在する、請求項3に記載の方法。
- 前記変性剤が、二酸化炭素に対して66%v/vまでの量で存在する、請求項9に記載の方法。
- 前記変性剤が、二酸化炭素に対して66%w/wまでの量で存在する、請求項10に記載の方法。
- 前記変性剤が、エタノールである、請求項2、3、7または8に記載の方法。
- 前記変性剤が、エタノールおよびメタノールの共溶媒である、請求項9、10、11または12に記載の方法。
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